Seaborgium is a man made chemical element.
Seaborgium is a man made element.
Seaborgium is radioactive and man made.
Seaborgium's color is not currently known as it is a man-made element that only exists in very small amounts and is highly radioactive.
It is natural but there are man-made imitations.
It can be made from natural or man made fibres.
Is limestone natural or man made
natural feature
Only for research
Man-made and Natural Resources
Ceramic is man-made from a natural material.
Is limestone natural or man made
Is limestone natural or man made